Front Loading 150L. Electrically heated Priorclave autoclave (includes cooling & automatic timed freesteaming) Product details At the heart of every Priorclave is the TACTROL® microprocessor control system, specially developed for laboratory autoclaves. From simple cycles to fully featured multi-program operation with printed records, this unique control system allows unrivalled flexibility. Multi-Program Memory: Simply press the program number required to restore all your settings. 5 and 10 program versions are available. Vacuum Options: A powerful vacuum pump draws a series of evacuations to ensure air removal from difficult loads. Vacuum drying is also available on all models.